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https://github.com/f4exb/sdrangel.git
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120 lines
4.7 KiB
C++
120 lines
4.7 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2019 Edouard Griffiths, F4EXB //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef INCLUDE_FREEDVDEMODBASEBAND_H
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#define INCLUDE_FREEDVDEMODBASEBAND_H
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#include <QObject>
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#include <QMutex>
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#include "dsp/samplesinkfifo.h"
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#include "util/message.h"
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#include "util/messagequeue.h"
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#include "freedvdemodsink.h"
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class DownChannelizer;
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class FreeDVDemodBaseband : public QObject
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{
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Q_OBJECT
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public:
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class MsgConfigureFreeDVDemodBaseband : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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const FreeDVDemodSettings& getSettings() const { return m_settings; }
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bool getForce() const { return m_force; }
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static MsgConfigureFreeDVDemodBaseband* create(const FreeDVDemodSettings& settings, bool force)
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{
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return new MsgConfigureFreeDVDemodBaseband(settings, force);
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}
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private:
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FreeDVDemodSettings m_settings;
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bool m_force;
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MsgConfigureFreeDVDemodBaseband(const FreeDVDemodSettings& settings, bool force) :
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Message(),
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m_settings(settings),
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m_force(force)
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{ }
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};
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class MsgResyncFreeDVDemod : public Message {
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MESSAGE_CLASS_DECLARATION
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public:
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static MsgResyncFreeDVDemod* create() {
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return new MsgResyncFreeDVDemod();
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}
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private:
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MsgResyncFreeDVDemod()
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{}
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};
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FreeDVDemodBaseband();
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~FreeDVDemodBaseband();
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void reset();
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void feed(const SampleVector::const_iterator& begin, const SampleVector::const_iterator& end);
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MessageQueue *getInputMessageQueue() { return &m_inputMessageQueue; } //!< Get the queue for asynchronous inbound communication
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int getChannelSampleRate() const;
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int getAudioSampleRate() const { return m_sink.getAudioSampleRate(); }
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double getMagSq() { return m_sink.getMagSq(); }
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void getMagSqLevels(double& avg, double& peak, int& nbSamples) { m_sink.getMagSqLevels(avg, peak, nbSamples); }
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void setBasebandSampleRate(int sampleRate);
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void setMessageQueueToGUI(MessageQueue *messageQueue) { m_messageQueueToGUI = messageQueue; }
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void setSpectrumSink(BasebandSampleSink* spectrumSink) { m_sink.setSpectrumSink(spectrumSink); }
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uint32_t getModemSampleRate() const { return m_sink.getModemSampleRate(); }
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double getMagSq() const { return m_sink.getMagSq(); }
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bool getAudioActive() const { return m_sink.getAudioActive(); }
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void getSNRLevels(double& avg, double& peak, int& nbSamples) { m_sink.getSNRLevels(avg, peak, nbSamples); }
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int getBER() const { return m_sink.getBER(); }
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float getFrequencyOffset() const { return m_sink.getFrequencyOffset(); }
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bool isSync() const { return m_sink.isSync(); }
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signals:
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/**
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* Level changed
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* \param rmsLevel RMS level in range 0.0 - 1.0
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* \param peakLevel Peak level in range 0.0 - 1.0
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* \param numSamples Number of samples analyzed
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*/
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void levelChanged(qreal rmsLevel, qreal peakLevel, int numSamples);
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private:
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SampleSinkFifo m_sampleFifo;
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DownChannelizer *m_channelizer;
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FreeDVDemodSink m_sink;
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MessageQueue m_inputMessageQueue; //!< Queue for asynchronous inbound communication
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FreeDVDemodSettings m_settings;
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QMutex m_mutex;
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MessageQueue *m_messageQueueToGUI;
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MessageQueue *getMessageQueueToGUI() { return m_messageQueueToGUI; }
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bool handleMessage(const Message& cmd);
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void applySettings(const FreeDVDemodSettings& settings, bool force = false);
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private slots:
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void handleInputMessages();
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void handleData(); //!< Handle data when samples have to be processed
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};
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#endif // INCLUDE_DSDDEMODBASEBAND_H
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